Invoice Factoring: Turning Unpaid Invoices Into Working Capital

Invoice factoring is a financing arrangement where you sell your unpaid B2B invoices to a third party (a "factor") at a discount, so you get most of the cash now instead of waiting 30, 60, or 90 days for your customer to pay. The factor typically advances 80–95% of the invoice face value within a day or two, then releases the remaining balance — minus its fee — once your customer settles the invoice. It is not a loan against your credit; it is a sale of an asset you already own, so approval leans on the creditworthiness of the businesses that owe you money, not just your own FICO. That single distinction is why factoring works beautifully for some companies and is the wrong tool for others — and why revenue-based funding is often the faster path when you invoice consumers, take card payments, or need cash tied to your deposits rather than your receivables.

How invoice factoring actually works, step by step

The mechanics are simpler than the jargon suggests. You deliver goods or services and issue an invoice to a business customer on net-30, net-60, or net-90 terms. Instead of waiting out those terms, you sell that invoice to a factor.

1. You submit the invoice. The factor verifies the work was completed and the invoice is valid and undisputed.
2. The factor advances the bulk of the value. Commonly 80–95% of face value, wired within a day or two of verification.
3. Your customer pays the factor directly. In most arrangements the factor takes over collection, and your customer remits to a lockbox or account controlled by the factor (this is called "notification").
4. The reserve is released. Once the customer pays in full, the factor sends you the held-back reserve minus its fee.

The critical operational shift: your customer now pays someone else. For some relationships that is a non-event; for others it can raise questions, which is why some businesses prefer non-notification or "confidential" factoring where available. Factoring can be set up as a one-off (spot factoring) or as an ongoing facility where you factor most or all of your ledger.

What factoring costs — and why it's priced differently than a loan

Factoring is not quoted as an APR because you are not borrowing a principal balance for a fixed term. You are selling an asset, and the price is the discount the factor keeps. That discount usually has two moving parts: an advance rate (how much you get up front) and a factor fee or discount rate (the factor's cut, which typically accrues the longer the invoice stays unpaid).

Because the fee accrues with time, factoring rewards customers who pay on schedule and punishes slow payers. A clean invoice that pays in 25 days costs far less than the same invoice that drags to 75. There may also be ancillary charges — setup or due-diligence fees, wire fees, monthly minimums, or termination fees on a contracted facility — so the effective cost depends heavily on your ledger's behavior and the contract terms, not on a single headline rate. Read for minimum volume commitments and how reserves are handled on disputed or short-paid invoices; those clauses drive real-world cost more than the advertised discount rate.

An example of how the cash flow works

Numbers below are illustrative only, to show the shape of the cash flow — your actual advance rate, fee, and timing come from your factor's offer and your customers' payment behavior.

The point of the table is timing, not arithmetic: the business converted a two-month wait into same-week working capital, then received the balance after the customer paid. We deliberately avoid presenting a single total-cost figure, because the real cost swings with how fast that customer actually pays.

Recourse vs. non-recourse: who eats a bad invoice

This is the most consequential fork in any factoring agreement. Under recourse factoring, if your customer never pays, you have to buy the invoice back or swap it for a good one — the credit risk stays with you. It is cheaper precisely because the factor is taking less risk. Under non-recourse factoring, the factor absorbs the loss if the customer defaults for defined credit reasons — but read the definition carefully, because "non-recourse" almost never covers disputes, short-ships, or your own performance problems. It typically covers a clean credit default (the customer goes insolvent), not "the customer refuses to pay because the job was wrong."

Most factoring in the US is recourse. Non-recourse buys peace of mind on customer insolvency, and you pay for it in a higher discount rate. If a single large customer represents most of your ledger, the recourse question matters far more than the headline fee.

Decision framework: when factoring fits, and when to skip it

Factoring works best when:

• You sell to other businesses (B2B) on net terms and the wait for payment — not lack of sales — is what strangles your cash flow.
• Your customers have solid credit and a track record of paying, even if slowly. The factor is underwriting them, so strong payers unlock better advance rates.
• You are growing faster than your cash can fund — staffing up, buying materials, or taking bigger orders — and each new invoice creates a new financeable asset.
• Your own credit is thin or bruised but your receivables are strong; factoring can approve where a traditional loan will not.

Avoid factoring — or look at alternatives — when:

• You are paid in cash, by card, or by consumers (retail, restaurants, most e-commerce, personal services). There is no qualifying B2B invoice to sell.
• Your customers are weak payers or heavily concentrated in one account — the factor will either decline them or charge a premium, and recourse risk lands back on you.
• You don't want your customers routed to a third party for collection, and confidential factoring isn't available for your situation.
• You need a lump sum tied to your overall revenue rather than to specific invoices — for equipment, a buildout, or covering a slow season.

That last group is exactly where revenue-based funding tends to win, which we cover next. For a fuller comparison of receivables financing versus deposit-based options, see our merchant cash advance overview.

The faster alternative when factoring doesn't fit: revenue-based funding

Plenty of businesses that ask about factoring don't actually have factorable invoices — they run on card sales and bank deposits, not B2B net terms. For them, a revenue-based advance from an MCA marketplace is usually the faster, simpler route. Instead of underwriting your customers' credit, this approach underwrites your business: it looks at your recent bank deposits and revenue trend, so consistent cash flow matters more than a high credit score.

Typical profile through a revenue-based marketplace: funding amounts from around $10,000 and up, FICO 500+ accepted, and approval decisions driven by your deposits rather than a perfect credit file — often funded in 24–48 hours once documents are in. You keep your customer relationships entirely; nobody is redirected to a lockbox. Repayment is structured against your revenue, so it flexes with your deposits rather than sitting on a single invoice.

To be clear about the tradeoff: factoring can be cheaper per dollar when you have strong B2B receivables, and it doesn't add debt to your balance sheet the same way. Revenue-based funding wins on fit and speed when you don't have qualifying invoices, when your ledger is concentrated, or when you need cash tied to your overall revenue instead of to specific customers. A good marketplace shops multiple funders against your file rather than boxing you into one product. This is never a guaranteed approval — no legitimate funder promises that — but it opens a door that factoring simply can't when there are no invoices to sell.

How to choose and set up a factoring facility without regret

If factoring is the right fit, treat the contract like the multi-year relationship it often becomes. Before signing, get clear on: the advance rate and how the fee accrues over time; whether it's recourse or non-recourse and exactly what "non-recourse" covers; any monthly minimums, term length, and termination fees; how disputes and short-pays hit your reserve; and whether the arrangement is notification or confidential. Ask how quickly they verify and fund a typical invoice after onboarding, because the first funding is always slower than the steady-state.

Also weigh concentration: if one customer dominates your ledger, the whole facility's economics ride on that account, and you should understand the factor's limits and per-customer caps up front. Finally, model the honest cost against the alternative — if you'd factor only occasionally, spot factoring or a revenue-based advance may serve you better than committing an entire ledger to a long contract. For related options that don't touch your receivables, our merchant cash advance overview lays out how deposit-based funding compares.